BB30 to BSA conversion: http://www.7hundred.co.uk/32835/products/rotor-bottom-bracket-bsa30---bb30-to-threaded---steel.aspx?origin=pla&kwd=¤cy=GBP&gclid=COyN54nxrssCFcoJwwodRNkOGg
Doesn't work with proper BB30 cranks, only BB386EVO/Rotor long axle cranks. Definitely won't work with an S-Works crankset.
@Brommers started
London Fixed Gear and Single-Speed is a community of predominantly fixed gear and single-speed cyclists in and around London, UK.
This site is supported almost exclusively by donations. Please consider donating a small amount regularly.
BB30 to BSA conversion:
http://www.7hundred.co.uk/32835/products/rotor-bottom-bracket-bsa30---bb30-to-threaded---steel.aspx?origin=pla&kwd=¤cy=GBP&gclid=COyN54nxrssCFcoJwwodRNkOGg